TCDB is operated by the Saier Lab Bioinformatics Group
TCIDNameDomainKingdom/PhylumProtein(s)
9.B.121.1.1









AsmA (686aas; 2 TMSs at the N- and C-termini)

Bacteria
Pseudomonadota
AsmA of E. coli (P37645)
9.B.121.1.2









Putative lipopolysaccharide biogenesis periplasmic protein

Bacteria
Pseudomonadota
LPS biogenesis protein of Gluconaceobacter xylinus (G2I0S0)
9.B.121.1.3









Uncharacterized protein, YhjG (675aas; 2 TMSs)

Bacteria
Pseudomonadota
YhjG of Salmonella enterica (G5LV43)
9.B.121.2.1









Putative Diguanylate cyclase (1112aas; 2 TMSs)

Bacteria
Pseudomonadota
Diguanylate cyclase of Riftia pachyptila (G2D9D8)
9.B.121.2.2









DUF3971 domain-containing protein of 1278 aas and 2 TMSs, N- and C-terminal.

Bacteria
Pseudomonadota
DUF3971 protein of Rahnella aquatilis
9.B.121.2.3









AsmA2 domain-containing protein YhdP of 1272 aas and 2 TMSs, N- and C-terminal.

Bacteria
Pseudomonadota
YhdP of Pantoea rodasii
9.B.121.2.4









YhdP (YhdQ, YhdR) of 1266 aas and 2 TMSs, one N-terminal and one C-terminal.  This protein is a member of the AsmA-like protein family (Kumar and Ruiz 2023).  This protein is one of six paralogs.

Bacteria
Pseudomonadota
YhdP of E. coli
9.B.121.3.1









AsmA family protein, YicH, of 569 aas and 1 N-terminal TMS.

Bacteria
Pseudomonadota
AsmA family protein of E. coli
9.B.121.3.2









AsmA family protein of 631 aas and 1 N-terminal TMS.

Bacteria
Pseudomonadota
AsmA protein of Vibrio breoganii
9.B.121.3.3









AsmA family protein of 652 aas and 1 N-terminal TMS.

Bacteria
Pseudomonadota
AsmA family protein of Aliivibrio fischeri (Vibrio fischeri)
9.B.121.3.4









AsmA family protein of 614 aas and 1 N-terminal TMS.

Bacteria
Pseudomonadota
AsmA family protein of Salinivibrio kushneri
9.B.121.4.1









YdbH protein of 879 aas and one N-terminal TMS.  It may be a AsmA-like protein functioning in phospholipid transport between the two membranes of a Gram-negative bacterium.

Bacteria
Pseudomonadota
YdbH of E. coli
9.B.121.4.2









YdbH family protein of 903 aas and 1 N-terminal TMS.

Bacteria
Pseudomonadota
YdbH of Mannheimia granulomatis
9.B.121.4.3









Uncharacterized protein of 506 aas and 1 N-terminal TMS.

Bacteria
Pseudomonadota
UP of Serratia fonticola
9.B.121.5.1









The AsmA protein of 617aas with 1 N-terminal α-TMS and 20 predicted β-strands.  Associates with the inner and the outer membrane, probably spanning the envelope.  It influences OMP and LPS insertion, but it is not know if these effects are direct or indirect (Deng and Misra 1996).   In Salmonella species, AsmA (Q8Z5G2) activates expression of the marRAB operon and attenuates virulence with poor epithelial invasion (Prieto et al. 2009).

Bacteria
Pseudomonadota
AsmA of E. coli
9.B.121.5.2









AsmA of 618 aas with 1 N-terminal α-TMS and 23 predicted transmembrane β-strands, presumably in a β-barrel.  Probably spans the inner and outer membranes.  In Salmonella species, AsmA (Q8Z5G2) activates expression of the marRAB operon and attenuates virulence with poor epithelial invasion (Prieto et al. 2009).

Bacteria
Pseudomonadota
AsmA of Salmonella typhi
9.B.121.5.3









AsmA family protein of 611 aas and 1 N-terminal TMS. It is encoded at a locus identified as the suppressor of OmpF assembly mutants of E. coli K-12 (Misra and Miao 1995).

Bacteria
Pseudomonadota
AsmA protein of Shewanella algae
9.B.121.5.4









AsmA family protein of 809 aas with 2 N-terminal TMSs.

Bacteria
Pseudomonadota
AsmA protein of Hylemonella sp.
9.B.121.5.5









AsmA family protein of 906 aas and 1 N-terminal TMS.

Bacteria
Pseudomonadota
AsmA protein of Providencia rettgeri
9.B.121.5.6









AsmA family protein of 758 aas and 1 or 2 TMSs.

Bacteria
Pseudomonadota
AsmA protein of Candidatus Kentron sp. MB
9.B.121.6.1









The Morphogenesis protein, MorC (Gallant et al., 2008).

Bacteria
Pseudomonadota
MorC of Aggregatibacter actinomycetemcomitans (Q4JI69)
9.B.121.6.2









Inner membrane autotransporter assembly factor TamB (YtfN). Part of the translocation and assembly module (TAM) autotransporter assembly complex, which functions together with TamA and Omp85, both in the outer membrane (TC#1.B.33) to translocate autotransporters across the outer membrane (Selkrig et al. 2015). TamB has a signal-anchor linkage to the inner membrane, beta-helical structure, conserved domain architecture and a C-terminal region that mimics outer membrane protein beta-strands (Heinz et al. 2015).  It may function in folding of the passenger domain while BamA-TamAB catalyze membrane β-domain insertion.

Bacteria
Pseudomonadota
TamB of E. coli
9.B.121.6.3









Uncharacterized protein of 1471 aas with a single N-terminal TMS.

Bacteria
Pseudomonadota
UP of Acidovorax avenae
9.B.121.6.4









Uncharacterized protein of 1322 aas and 1 N-terminal TMS.

Bacteria
Bdellovibrionota
UP of Bdellovibrio bacteriovorus
9.B.121.6.5









TamB of 1578 aas.  Functions with TamA (TC# 1.B.33.2.4).

Bacteria
Pseudomonadota
TamB of Sagittula stellata
9.B.121.6.6









TamB homologue of 1369 aas

Bacteria
Acidobacteriota
TamB of Koribacter versatilis
9.B.121.6.7









TamB homologue; DUF490 family member of 1726 aas

Bacteria
Rhodothermota
TamB of Salinibacter ruber
9.B.121.6.8









Uncharacterized DUF490 domain containing protein of 1461 aas.

Bacteria
Bacillota
DUF490 protein of Dialister invisus
9.B.121.6.9









TamB homologue of 1684 aas

Bacteria
Armatimonadota
TamB of Chthonomonas calidirosea
9.B.121.6.10









AsmA family protein of 543 aas and 1 N-terminal TMS.

Bacteria
Acidobacteriota
AsmA protein of Acidobacteriia bacterium
9.B.121.6.11









Chloroplastic TIC236 protein, also called EMBRYO DEFECTIVE 2410. It is of 2166 aas with three hydrophobic peaks at about residues 110, 1510 and 1925 that could be TMSs.

Eukaryota
Viridiplantae, Streptophyta
TIC236 of Arabidopsis thaliana (Mouse-ear cress)